| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-040-8741 (010408741) |
| NCB Code | USA (01) |
| Manufacturer | Eaton Aerospace Ltd, Landoll Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2B ALL ENDS |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | PISTON |
| ADSR | BONNET TYPE | INSIDE SPRING |
| ADST | BONNET ATTACHMENT METHOD | BOLTED |
| ADSU | DISK LOADING METHOD | SPRING |
| ADSY | VALVE DISCHARGE FLOW RATE | 45.0 GALLONS PER MINUTE |
| AEHZ | MAXIMUM OPERATING TEMP | 150.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | GASKET SEAL(BOSS) ALL ENDS |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS |
| CQCY | ADJUSTABLE PRESSURE RANGE | 1500.0 TO 3000.0 POUNDS PER SQUARE INCH |
| CQGM | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.875 INCHES ALL ENDS |
| MATT | MATERIAL | STEEL OVERALL |
| MEDA | MEDIA FOR WHICH DESIGNED | ETHYLENE GLYCOL 1ST RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | OIL,HYDRAULIC 2ND RESPONSE |
| STYL | STYLE DESIGNATOR | CROSS |
| THSD | THREAD SERIES DESIGNATOR | UNF ALL ENDS |
| Relevant Components for NSN - 4820-01-040-8741, 4820010408741 | ||||
| 4820-01-251-8295 (4820012518295) | 4820-01-606-5732 (4820016065732) | 4820-01-504-6136 (4820015046136) | 4820-01-345-7050 (4820013457050) | |
| 4810-01-373-6377 (4810013736377) | 4810-01-079-4456 (4810010794456) | 4820-01-280-4146 (4820012804146) | 4820-01-651-8515 (4820016518515) | |
| 4820-01-688-1777 (4820016881777) | 4820-01-439-5575 (4820014395575) | 4820-01-228-6731 (4820012286731) | 4820-01-645-8483 (4820016458483) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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